Specification: Brand: AWANFI Number of channels: 16 channels Tuner Technology:PMR Battery: 1200mAh Li-ion for each (included) Earphone Jack: 2.5mm Communication range: Up to 2 km between neighbors. Up to 8 km on open water. Up to 25 km from the mountain to the valley. Function: -121 Privacy Codes -LCD display with backlight -Keypad lock/Auto squelch/Auto memory/Auto power saving/Flashing Low Battery Alert/Auto scan/Fall protection/VOX function etc -Handsfree with VOX voice-activated transmission -Lightweight and portable walkie talkies & easy to install Package Included: AWANFI Walkie Talkies 1200mAh Li-ion Battery Belt Clip Micro type C cable User's Manual.